Powell's POV: Fans seated next to the man who was struck by Punk appeared to shove Punk twice. Punk seemed to believe that the second shove came from the man behind him, though it was hard to tell whether it did. Then the man's forearm struck Punk on the back of the head/neck. That's when Punk retaliated with a backhand shot. In fairness to the fan who was struck by Punk, it's hard to tell whether he intended to strike Punk or if he was pushed into him in the commotion.